The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2009
Filed:
Oct. 01, 2002
Applicants:
Kyung-su Chae, Daegu, KR;
Sang-sun Shin, Kyoungsangbuk-Do, KR;
Jong-go Lim, Kyoungsangbok-Do, KR;
Inventors:
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01); B24B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an apparatus and a method for correcting a grinding amount of a unit liquid crystal display panel, by grinding an edge of a unit liquid crystal display panel; generating grinding pictures of the unit liquid crystal display panel; calculating an error value by comparing the grinding pictures with a reference picture; and changing a set value of a grinding unit according to the error value. In addition, by disposing a grinding amount correcting apparatus in a grinding apparatus, correcting a grinding amount of a unit liquid crystal display panel can be performed by an automatic system.